Operating unit of treatment tool for endoscope



FIG. 1 is a front, top and right side perspective view of an operatingunit of treatment tool for endoscope, showing my new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a front view showing a state in which the finger hook ring isrotated;

FIG. 10 is a cross sectional view thereof, taken along the line 10-10 inFIG. 3; and,

FIG. 11 is a cross sectional view thereof, taken along the line 11-11 inFIG. 3.

The broken lines shown represent unclaimed subject matter and form nopart of the claimed design.

CLAIM The ornamental design for an operating unit of treatment tool forendoscope, as shown and described.